Subtract 16/4 from 18/45
1st number: 18/45, 2nd number: 4 0/4
18/45 - 16/4 is -18/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
18/45 = 18 × 4/45 × 4 = 72/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
16/4 = 16 × 45/4 × 45 = 720/180 - Subtract the two like fractions:
72/180 - 720/180 = 72 - 720/180 = -648/180 - After reducing the fraction, the answer is -18/5
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